TABLE OF CONTENTS COMPANY OVERVIEW AND KEY FACTS PARTNERSHIP --Partnership – Overview --Partnership – Deal reports CAPITAL RAISING --Capital Raising – Overview --Capital Raising – Deal reports PRIVATE EQUITY & OWNERSHIP --Private Equity and Ownership – Overview --Private Equity and Ownership – Deal reports APPENDIX --About Datamonitor Financial Deals Database --Deal Definition and Methodology --About Datamonitor --Datamonitor Professional Services Knowledge Center LIST OF TABLES --Athersys activity by deal type – volume (2014-TTM2015) --Athersys activity by deal type – volume (2011 -YTD2015) --Athersys legal advisor ranking by value ($m) --Athersys financial advisor ranking by value ($m) --Top Deals(2011 -YTD2015) --Athersys targets and partners (2011 -YTD2015) --Athersys partnership volume and value trend (2011-YTD2015) --Athersys partnership trend by key deal type (2011-YTD2015) --Athersys capital raising volume and value trend (2011-YTD2015) --Athersys capital raising by deal type (2011-YTD2015) --Athersys private equity and ownership volume and value trend (2011-YTD2015) --Athersys private equity and ownership activity by deal type (2011-YTD2015) LIST OF FIGURES --Athersys activity by deal type - volume (trailing twelve months (TTM)) --Athersys activity by deal type - volume (2011-YTD2015) --Athersys partnership volume and value trend (2011-YTD2015) --Athersys partnership trend by key deal type (2011-YTD2015) --Athersys capital raising volume and value trend (2011-YTD2015) --Athersys capital raising by deal type (2011-YTD2015) --Athersys private equity and ownership volume and value trend (2011-YTD2015) --Athersys private equity and ownership by deal type (2011-YTD2015)

Athersys, Inc.